WO1997048842A1 - Processing textile strands - Google Patents
Processing textile strands Download PDFInfo
- Publication number
- WO1997048842A1 WO1997048842A1 PCT/US1997/004296 US9704296W WO9748842A1 WO 1997048842 A1 WO1997048842 A1 WO 1997048842A1 US 9704296 W US9704296 W US 9704296W WO 9748842 A1 WO9748842 A1 WO 9748842A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- yam
- bobbins
- temperature
- feed bobbins
- constant tensioning
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/46—Sewing-cottons or the like
Definitions
- the following discrete process steps are typically employed during the manufacture of yarns to yield a final end product.
- the variances in the manufacturing of the strands results in strand material having varying hot air shrinkage.
- the resultant finished yarn packages are found to have highly undesirable vagaries. These vagaries ultimately manifest themselves as operational problems when the finished yams are eventually employed in their designed end use, such as in sewing threads. For example, by the time the strands become part of a run-off spool they may have developed nonuniform and widely varying inherent hot air shrinkages or have hot air shrinkages much greater or less than other run-off spools of the same material.
- each run-off spool may contain strands having varying physical characteristics
- the vagaries are further magnified when the strands from the multiple run-off spools are combined in the doubling process to form the plied yam of the doubled package.
- an electronic data collection system can be used to measure the number of work pieces sewn per stitch break.
- the present invention was developed to overcome the defects and vagaries inherently present in strands used in the manufacturing of commercial yams, such as sewing threads.
- strand is meant to include any material having at least two synthetic filaments, or synthetic fibers, comprising acrylic, nylon, polyester, polyethylene or mixtures thereof.
- yam is used herein to mean any material having at least one strand containing synthetic fibers.
- An object of this invention is to provide an improved method for processing strands that are used in the manufacture of commercial yams.
- Another object is to provide processing steps that remove or eliminate the inherent vagaries in the physical properties of strands that are caused by the variations in the manufacturing process used to make the strands.
- Yet another object is to provide an improved process for producing doubled or plied yams from multiple bobbins
- the process of this invention involves a high temperature heat treatment step applied to the strands where at least two feed bobbins of yam comprising strands is heated to a temperature of at least 220 °F.
- This temperature treatment is performed at a pressure above atmospheric.
- Another embodiment of this invention involves heat treating at least two feed bobbins of
- the yams used in the methods of this invention can be a composite of natural and synthetic materials, for example a synthetic filament yam.
- a synthetic filament yam is composed of at least one strand and contains any of the following materials: cotton, wool, or synthetic fiber, such as continuous nylon, polyester filament or mixtures thereof.
- the diameter or tex size of the yam is not a critical feature of the invention and can vary from tex size of about 18 to about 300.
- a tex size is defined as a unit for expressing linear density, equal to the weight in grams of 1 kilometer of yam, filament, fiber, or other textile strand.
- the heat treatment step is carried out using feed bobbins, i.e.
- the feed bobbins are formed by the serial combination of yams in a winding machine using steam-treated bobbins of yam obtained upon completion of the spinning step.
- Heating can be carried out using devices known to the art including direct dryers, indirect dryers, microwave dryers and infrared or radiant dryers.
- a preferred dryer of this invention is an autoclave that can satisfactorily heat treat up to approximately 150 bobbins at a time. To achieve the desired temperature of at least 220°F the bobbins must be kept in the autoclave for
- the heat treating can be as short as several minutes, preferably at least 30 minutes and most preferably for a time necessary to obtain a surface temperature of the yam, as measured by a thermocouple, equal to or greater than 220°F.
- Twist-setting is a process that uses steam for fixing twist in yams to deaden torque and eliminate kinking during further processing. The difference is that in the twist-setting step the steamer is operated
- twist setting improves the performance of the winding process by allowing for automatic joining of yam ends as each new small spinning bobbin is added to the winding machine.
- the high temperature heat treatment step is used to equalize
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Treatment Of Fiber Materials (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU23319/97A AU699357B2 (en) | 1996-06-20 | 1997-03-17 | Processing textile strands |
NZ331045A NZ331045A (en) | 1996-06-20 | 1997-03-17 | Processing textile strands by heat treating the strands prior to plying |
CA002247283A CA2247283C (en) | 1996-06-20 | 1997-03-17 | Processing textile strands |
EP97916049A EP0912784B1 (en) | 1996-06-20 | 1997-03-17 | Processing textile strands |
DE69701329T DE69701329T2 (en) | 1996-06-20 | 1997-03-17 | EDITING TEXTILE FIBER BUNDLES |
GR20000400772T GR3033083T3 (en) | 1996-06-20 | 2000-03-28 | Processing textile strands |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/666,961 | 1996-06-20 | ||
US08/666,961 US5791135A (en) | 1996-06-20 | 1996-06-20 | Heat treatment of textile strands prior to plying |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997048842A1 true WO1997048842A1 (en) | 1997-12-24 |
Family
ID=24676255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/004296 WO1997048842A1 (en) | 1996-06-20 | 1997-03-17 | Processing textile strands |
Country Status (11)
Country | Link |
---|---|
US (2) | US5791135A (en) |
EP (1) | EP0912784B1 (en) |
CN (1) | CN1136344C (en) |
AU (1) | AU699357B2 (en) |
CA (1) | CA2247283C (en) |
DE (1) | DE69701329T2 (en) |
GR (1) | GR3033083T3 (en) |
NZ (1) | NZ331045A (en) |
TR (1) | TR199801938T2 (en) |
TW (1) | TW518377B (en) |
WO (1) | WO1997048842A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19956736C1 (en) * | 1999-11-25 | 2001-07-26 | Kocks Drahtseilerei | Method and stranding device for producing a rope or rope element and rope or rope element |
TW510928B (en) * | 2000-09-14 | 2002-11-21 | Toray Du Pont Kk | Manufacture method of heat-resistant shrinkable thread |
US7201814B2 (en) * | 2001-01-29 | 2007-04-10 | E. I. Du Pont De Nemours And Company | Fibers and ribbons containing phosphor, conductive metals or dielectric particles for use in the manufacture of flat panel displays |
FR2869329B1 (en) * | 2004-04-23 | 2006-06-16 | Rieter Textile Machinery Fr | DEVICE FOR MANAGING WIRE ASSEMBLIES IN TEXTILE MACHINERY FOR TRANSFORMING THESE YARNS |
US9447527B2 (en) * | 2013-10-21 | 2016-09-20 | Soo Hyun JEON | Method for manufacturing heat resistant spun yarn and heat resistant spun yarn manufactured thereby |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3816988A (en) * | 1971-02-03 | 1974-06-18 | Bayer Ag | Process and an apparatus for the production of synthetic, crimped, highly elastic endless yarn |
EP0072881A1 (en) * | 1981-08-18 | 1983-03-02 | Toray Industries, Inc. | A sewing thread and method for manufacturing the same |
US4943009A (en) * | 1988-03-17 | 1990-07-24 | Karl Mayer Textilmaschinenfabrik Gmbh | Plying or doubling machine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2503242A (en) * | 1948-10-28 | 1950-04-11 | Us Rubber Co | Mechanism for twisting together two strands |
US2913802A (en) * | 1953-07-16 | 1959-11-24 | Johns Manville | Thermal modification of acrylonitrile yarns |
US4016715A (en) * | 1975-10-14 | 1977-04-12 | Burlington Industries, Inc. | High stretch yarn texturing, dyeing and package production |
US4368612A (en) * | 1979-11-13 | 1983-01-18 | Milliken Research Corporation | Apparatus for forming false twisted slubyarn |
US4345424A (en) * | 1980-06-23 | 1982-08-24 | Akzona Incorporated | Textured novelty yarn and process |
US4341063A (en) * | 1980-08-26 | 1982-07-27 | Milliken Research Corporation | Air textured yarns |
US4467594A (en) * | 1981-03-05 | 1984-08-28 | Milliken Research Corporation | Spun-like textured yarn |
US4437301A (en) * | 1982-03-25 | 1984-03-20 | Milliken Research Corporation | Method of making yarn |
DE3371244D1 (en) * | 1983-10-08 | 1987-06-04 | Mtm Obermaier Gmbh & Co Kg | Process and apparatus for drying yarn or fibre packages |
US4523441A (en) * | 1983-11-22 | 1985-06-18 | Alan Shelton Limited | Handling of textile yarn |
US4953368A (en) * | 1987-05-01 | 1990-09-04 | Nikku Industry Co., Ltd. | Method of and apparatus for heat-treating bobbins of yarn |
DE3819858A1 (en) * | 1988-06-10 | 1989-12-21 | Fritz Stahlecker | DEVICE FOR GENERATING REELS FOR A TWISTING REEL |
DE3834139A1 (en) * | 1988-10-07 | 1990-04-19 | Hoechst Ag | TWO-COMPONENT LOOP SEWING YARN AND METHOD FOR THE PRODUCTION THEREOF |
JP2698929B2 (en) * | 1989-04-10 | 1998-01-19 | 四国化工機株式会社 | Cleaning equipment in filling equipment of packaging machines |
US5241844A (en) * | 1989-05-12 | 1993-09-07 | Murata Kikai Kabushiki Kaisha | Package stock device |
-
1996
- 1996-06-20 US US08/666,961 patent/US5791135A/en not_active Expired - Lifetime
-
1997
- 1997-03-17 CA CA002247283A patent/CA2247283C/en not_active Expired - Lifetime
- 1997-03-17 EP EP97916049A patent/EP0912784B1/en not_active Expired - Lifetime
- 1997-03-17 TR TR1998/01938T patent/TR199801938T2/en unknown
- 1997-03-17 AU AU23319/97A patent/AU699357B2/en not_active Ceased
- 1997-03-17 CN CNB971922748A patent/CN1136344C/en not_active Expired - Lifetime
- 1997-03-17 DE DE69701329T patent/DE69701329T2/en not_active Expired - Fee Related
- 1997-03-17 WO PCT/US1997/004296 patent/WO1997048842A1/en active IP Right Grant
- 1997-03-17 NZ NZ331045A patent/NZ331045A/en unknown
- 1997-06-10 TW TW086107981A patent/TW518377B/en not_active IP Right Cessation
-
1998
- 1998-04-23 US US09/065,194 patent/US6014854A/en not_active Expired - Lifetime
-
2000
- 2000-03-28 GR GR20000400772T patent/GR3033083T3/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3816988A (en) * | 1971-02-03 | 1974-06-18 | Bayer Ag | Process and an apparatus for the production of synthetic, crimped, highly elastic endless yarn |
EP0072881A1 (en) * | 1981-08-18 | 1983-03-02 | Toray Industries, Inc. | A sewing thread and method for manufacturing the same |
US4943009A (en) * | 1988-03-17 | 1990-07-24 | Karl Mayer Textilmaschinenfabrik Gmbh | Plying or doubling machine |
Also Published As
Publication number | Publication date |
---|---|
US5791135A (en) | 1998-08-11 |
EP0912784A1 (en) | 1999-05-06 |
CA2247283C (en) | 2003-09-02 |
US6014854A (en) | 2000-01-18 |
AU699357B2 (en) | 1998-12-03 |
CN1136344C (en) | 2004-01-28 |
EP0912784B1 (en) | 2000-02-23 |
GR3033083T3 (en) | 2000-08-31 |
TR199801938T2 (en) | 1999-02-22 |
DE69701329T2 (en) | 2000-08-24 |
NZ331045A (en) | 1999-05-28 |
AU2331997A (en) | 1998-01-07 |
CA2247283A1 (en) | 1997-12-24 |
DE69701329D1 (en) | 2000-03-30 |
TW518377B (en) | 2003-01-21 |
CN1211294A (en) | 1999-03-17 |
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